The SciencesThe Story of CorkWhere the Raw Material for Stoppers and Floats Comes from, and How it is ObtainedBy J. F. Springer on October 15, 1921AdvertisementABOUT THE AUTHOR(S)Recent Articles by J. F. SpringerCoal Piles that Light ThemselvesStudying Fire Risks from Sample FiresSome Great Dredges